10312003020 has 96 divisors (see below), whose sum is σ = 31793078016. Its totient is φ = 2476499200.

The previous prime is 10312003001. The next prime is 10312003043. The reversal of 10312003020 is 2030021301.

It is a happy number.

10312003020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10312002987 and 10312003005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2391 + ... + 143630.

It is an arithmetic number, because the mean of its divisors is an integer number (331177896).

Almost surely, 2^10312003020 is an apocalyptic number.

10312003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10312003020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15896539008).

10312003020 is an abundant number, since it is smaller than the sum of its proper divisors (21481074996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10312003020 is a wasteful number, since it uses less digits than its factorization.

10312003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146151 (or 146149 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 10312003020 its reverse (2030021301), we get a palindrome (12342024321).

The spelling of 10312003020 in words is "ten billion, three hundred twelve million, three thousand, twenty".